Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Health Care
Health Care Equipment2.92%-0.42 ppManaged Health Care1.87%-0.41 ppBiotechnology2.28%-0.34 ppLife Sciences Tools & Services1.64%-0.21 ppPharmaceuticals5.03%-0.19 ppHealth Care Distributors0.44%+0.05 ppHealth Care Services0.68%-0.03 ppHealth Care Facilities0.24%-0.03 ppHealth Care Supplies0.19%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.87%
Industry change · 12M
-0.41 pp
Managed Health Care · contribution
-0.411 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2024 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| UnitedHealth Group → UNH | United States | $445.9bn | 1.292% | -0.116 pp | -0.259 pp | -0.2% | No |
| Humana → HUM | United States | $36.4bn | 0.105% | -0.033 pp | -0.118 pp | -42.6% | No |
| Elevance Health → ELV | United States | $122.9bn | 0.356% | +0.011 pp | -0.019 pp | +14.2% | Yes |
| Centene Corporation → CNC | United States | $39.0bn | 0.113% | -0.007 pp | -0.015 pp | +6.0% | No |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.